Heisei Godzilla enemies

2 ) Minilla was present n the heisei era <svg viewBox="0 0 24 24" focusable="false" class="chakra-icon chakra-accordion__icon css-186l2rg" aria-hidden="true">

3 ) What movie did Battra premier in <svg viewBox="0 0 24 24" focusable="false" class="chakra-icon chakra-accordion__icon css-186l2rg" aria-hidden="true">

4 ) In which movie did Ashdot(an obscure Kaiju) apear <svg viewBox="0 0 24 24" focusable="false" class="chakra-icon chakra-accordion__icon css-186l2rg" aria-hidden="true">

5 ) Who was Godzillas strongest enemy (in the heisei era) <svg viewBox="0 0 24 24" focusable="false" class="chakra-icon chakra-accordion__icon css-186l2rg" aria-hidden="true">